| Country | Day | Month | Names |
 Bulgaria | 1 | December | Snezha, Snezhana, Sneja, Snejka |
| Bulgaria | 4 | December | Varvara |
| Bulgaria | 5 | December | Elisaveta, Sava, Savka, Svetoslav, Svetoslava, Slavi, Slavcho, Sabi, Savina, Stanislav |
| Bulgaria | 6 | December | Nikola, Nikolai, Nina, Kolyo, Nenka, Niko, Nikolay, Nikolina, Nitza |
| Bulgaria | 9 | December | Ana, Anica, Anelia, Anna, Yana, Aneta, Anushka, Nusha |
| Bulgaria | 12 | December | Darina, Spiro, Spiridon |
| Bulgaria | 14 | December | Adam |
| Bulgaria | 15 | December | Svoboda, Elevter, Elevteria |
| Bulgaria | 17 | December | Dana, Danail, Danaila, Daniela, Danko |
| Bulgaria | 19 | December | Aglaya, Agleya, Aglika |
| Bulgaria | 20 | December | Ignat, Ognian, Plamen, Plamena |
| Bulgaria | 22 | December | Anastas, Anastasia |
| Bulgaria | 23 | December | Naum |
| Bulgaria | 24 | December | Blagorodna, Evgeni, Evgenia, Zheni, Zhechka, Parvan, Parvana, Bistra |
| Bulgaria | 25 | December | Hristina, Hristo, Kristina, Kristian, Kristiana, Emil, Itso, Icho, Mladen, Radoslav, Radoslava, Radomir, Radostin, Radostina, Hristofor |
| Bulgaria | 26 | December | David, Datso, Dacho, Zhozef, Yosif |
| Bulgaria | 27 | December | Venci, Vencislav, Vencislava, Zapryan, Sonya, Stamen, Stanimir, Stanka, Stefan, Stefana, Stefaniya, Stefka, Stoil, Stoimen, Stoichko, Stojko, Stoyan, Stoyanka, Tanya, Tsanka, Tsanko, Tsonka, Tsonyu |
